Why the sunflowers faces towards the sun??
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Facing of sunflower towards the sun is known as phototropic movement. This is due to presence of auxin, a growth harmone in the stem. The higher concentration of auxin in the shaded side causes that side to grow faster, resulting in a positive phototropic curvature.
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Explanation:
because of phototropic movement..due to presence of plant hormone called auxins which grows in shaded part of plant leading the plant to bend
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